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Water Treatment and Quality

Water Treatment and Quality. Tour of water treatment plant. http://www.epa.gov/ogwdw/watertreatmentplant/flash/index.html Major steps of water treatment for open sources Aeration Flocculation Sedimentation Filtration Disinfection. Clean Water Drinking Act. 1974

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Water Treatment and Quality

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  1. Water Treatment and Quality

  2. Tour of water treatment plant • http://www.epa.gov/ogwdw/watertreatmentplant/flash/index.html • Major steps of water treatment for open sources • Aeration • Flocculation • Sedimentation • Filtration • Disinfection

  3. Clean Water Drinking Act • 1974 • Requires EPA sets water quality standards, tests and enforces standards • Amendments • 1986 - includes more pollutants and chemical to the water quality list • 1996 - requires public reports to be distributed • Current proposal - regulations of “fracking”

  4. Water Quality Indicators MWRA routinely uses six general indicators of water quality: • Microbial (bacteria and algae) • Turbidity • Corrosiveness (pH and alkalinity) • Disinfectant • Chemical (inorganic minerals/metals and organic) • Radionuclides

  5. Basic Water Quality Tests • Temperature • Tubidity • pH • Nitrates • Phosphates • Fecal Coliform • Dissolved oxygen

  6. What happens on the other end?

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